Department of Neurology, Saarland University, Homburg/Saar, Saarland, Germany
Department of Ophthalmology, Homburg, Saarland, Germany
Saarland University, Saarbrücken, Saarland, Germany
Department of Ophthalmology, Homburg, Saarland, Germany
UNIVERSITE CATHOLIQUE DE LOUVAIN MONT GODINNE - Hematology, Yvoir, Belgium
Kepler Universitätsklinikum GmbH- Med. Campus III, Linz, Austria
Landeskrankenhaus Feldkirch, Feldkirch, Austria
Saarland University, Saarbrücken, Saarland, Germany
Saarland University Hospital. Department of Dermatology, Homburg, Saarland, Germany
Universitätsklinikum des Saarlandes, Homburg, Saarland, Germany